Nitrogen
The most abundant gas in air, comprising 78% by volume. It is colourless and odourless.
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Nitrogen - a colorless, tasteless, odorless gas that constitutes 78% of the atmosphere by volume and occurs as a constituent of all living tissues in combined form ...
Nitrogen dioxide (NO2): A gas found at all levels of the atmosphere, it is also emitted by automobile engines. High concentrations of NO2 give polluted air its reddish-brown color.
Nitrogen dioxide A noxious reddish-brown gas produced in combustion engines; can be damaging to human respiratory tracts and to plants; participates in photochemical reactions and acid deposition.
Nitrogen dioxide (NO2)
Ozone (O3)
Particulate matter with aerodynamic size less than or equal to 10 μm (PM-10) ...
**78 % Nitrogen...About 21 % Oxygen...& About 1 % of all other gases, such as Ozone...Neon...Carbon Dioxide...to name a few**
Whenever water vapor is added to the atmosphere, it will displace the other gases in equal volumes.
Oxides of Nitrogen
A general term pertaining to compounds of nitric oxide (NO), nitrogen dioxide (NO2), and other oxides of nitrogen.
Acid rainCloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic (eg. pH < 5.6).AfternoonNoon to sunset.
The principal gases that compose dry air are Nitrogen (N2) at 78.09%, Oxygen (O2) at 20.946%, Argon (A) at 0.93%, and Carbon Dioxide (CO2) at 0.033%. One of the most important gases in meteorology is water vapor (H2O).
The atmosphere, composed mainly of nitrogen and oxygen with traces of carbon dioxide, water vapor, and other gases, acts as a buffer between Earth and the sun.
Acid Rain - Acid deposition - commonly called acid rain - is caused by emissions of sulphur dioxide and nitrogen oxides.
This led to the early "second atmosphere", which was primarily carbon dioxide and water vapor, with some nitrogen but virtually no oxygen.
air - Mixture of gases forming the earth's atmosphere, consisting of nitrogen (~78 percent), oxygen (~21 percent), water vapor, and other trace gases such as carbon dioxide, helium, argon, ozone, or various pollutants.
Denitrification is the biological process in the soil where nitrate nitrogen is converted into a gas and lost through the soil surface to the atmosphere. This process occurs more rapidly under warm and moist conditions and in fine textured soils.
inorganic chemical compositionThe chemical composition of an aerosol, with the exception of those with hydrocarbons, and usually including carbides, oxides of carbon, metallic carbonates, carbon sulfur compounds, and carbon nitrogen compounds.
Today's atmosphere is made up primarily of nitrogen (78%), free oxygen (21%) and greenhouse gases which can capture solar radiation: water vapor, which ranges from less than 1% in arid regions to over 3% in moist areas, ...
Blue skies are produced as shorter wavelengths of the incoming visible light (violet and blue) are selectively scattered by small molecules of oxygen and nitrogen -- which are much smaller than the wavelength of the light.
Air - A mixture of many discrete gases, of which nitrogen and oxygen are most abundant, in which vaning quantities of tiny solid and liquid particles are suspended.
ACID RAIN: Cloud droplets combining with gaseous pollutants, such as oxides of sulfur and nitrogen, to make falling rain or snow acidic.
AIR MASS: A widespread body of air with consistent temperature and moisture characteristics.
acid rain- rain with an abnormally high acid content caused by burning of fossil fuels, which release sulfur and nitrogen oxides.
Earth's gravity. It is made up of various gases, mainly nitrogen and oxygen
Axis
An imaginary line about which the Earth spins every 24 hours ...
Aurora borealis- A colorful, glowing display in the sky caused when particles from the sun strike oxygen and nitrogen atoms in the ionosphere; also called the Northern Lights.
Barometer- An instrument used to measure changes in air pressure.
AIR - A mixture of gases that makes up most of the atmosphere around the earth. It is roughly 78% nitrogen, 21% oxygen, and 1% argon and other trace gases.
ALOFT - Above the ground in the atmosphere.
Air pollution containing ozone and other reactive chemical compounds formed by the reaction of nitrogen oxides and hydrocarbons in the presence of sunlight.
Photosphere ...
Acid precipitation Rain or snow containing acidic substances, resulting from the atmospheric pollution mainly with sulfur and nitrogen. A pH value of acid precipitation is less than the value for unpolluted rain.
acid rain: rain that has become acidic after contact with certain atmospheric gases (primarily sulfur dioxide, carbon dioxide, and nitrogen oxides).
afforestation: process of establishing a forest.
Acid Rain- rain that is especially acidic as the result of water vapor condensing onto particles of sulfate or nitrogen oxide.
Homosphere The atmosphere up to 80 km (50 mi) in which the proportions of principal gases, such as oxygen and nitrogen, are constant.
Deposition of acidic substances, resulting from long-range atmospheric transport of pollutants such as sulfur and nitrogen, which produce enhanced environmental acidification when they reach the Earth's surface.
upper atmosphere through the dissociation of oxygen molecules by solar radiation. In the lower troposphere, it is a pollutant which characterizes photochemical or Los Angeles-type smog. It is formed by the photochemical reactions of nitrogen ...
bitumen Dark, naturally occurring solid or semisolid substances composed mainly of a mixture of hydrocarbons with little oxygen, nitrogen, or sulfur.
 See also: Atmosphere, Air, Water, High, Light
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